Re: [PATCH RFC 01/11] crypto: caam - Add cache coherency support

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On Mon, Jun 15, 2015 at 04:52:49PM -0700, Victoria Milhoan wrote:
>
> @@ -202,6 +214,13 @@ static void caam_jr_dequeue(unsigned long devarg)
>  		userdesc = jrp->entinfo[sw_idx].desc_addr_virt;
>  		userstatus = jrp->outring[hw_idx].jrstatus;
>  
> +		/*
> +		 * Make sure all information from the job has been obtained
> +		 * before telling CAAM that the job has been removed from the
> +		 * output ring.
> +		 */
> +		smp_mb();

So you're not actually guarding against another CPU here, right?
In that case shouldn't this be mb()?

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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